<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
  <head>
    <title>学生管理系统首页</title>
  </head>
  <body>
  <c:if test="${ empty username}">
    <a href="${pageContext.request.contextPath}/login.jsp">请登录</a>
  </c:if>
  <c:if test="${ !empty username}">
    <a href="${pageContext.request.contextPath}/addStudent.jsp">添加学生信息</a>
    <a href="${pageContext.request.contextPath}/findServlet">查看学生信息</a>
  </c:if>
  </body>
</html>
